His principal work was
Lectures on the Catechism of the Church of England (London, 1769). ''A sermon preach'd before the University of Oxford, at St. Mary's, on Act Sunday in the afternoon'', 1733, 1734
A sermon preached before the Right Honourable the Lord-Mayor, the Court of Aldermen, the sheriffs, and the governors of the several hospitals of the City of London [...], 1738
A sermon preached before the House of Lords, 1739 ''A sermon preached at King's Street chapel, in the parish of St James'', 1741
A sermon preached before the Incorporated Society for the Propagation of the Gospel in Foreign Parts, 1741, 1752
A sermon preached in the parish-church of Christ-Church, London, 1743
A sermon preached on occasion of the present rebellion in Scotland, 1745
A sermon preached before the governors of the London Hospital, 1754
A sermon preached before the Society corresponding with Incorporated Society in Dublin, 1757
Nine sermons preached in the parish of St. James, Westminster, 1758, 1771
The recommendation of William Smith, A.M., 1759 ''An answer to Dr. Mayhew's Observations on the charter and conduct of the Society for the Propagation of the Gospel in Foreign Parts'', 1764
Fourteen sermons preached on several occasions, 1766
A sermon preached in the parish-church of Christ-church, London, 1766
Eight charges delivered to the clergy of the dioceses of Oxford and Canterbury, 1769
Lectures on the catechism of the Church of England, 1769, 1770, 1771, 1774, 1777, 1778, 1786, 1789, 1790, 1791, 1794 [Dublin], 1799
A letter to the Right Honourable Horatio Walpole, Esq; [...] concerning bishops in America, 1769
Sermons on several subjects, 1770
Eight charges delivered to the clergy of the dioceses of Oxford and Canterbury, 1770, 1771, 1780, 1790, 1799
Sermons on several subjects, 1771, 1772, 1790, 1795
Five sermons against popery, 1772 Dublin, 1773 Cork and Dublin
Six sermons on the liturgy of the Church of England, 1773, 1784 Cork
The works of Thomas Secker, 1775 Dublin, 1792 Edinburgh
Four discourses on self-examination, on lying, on patience, and on contentment, 1777
Nine sermons preached in the parish of St. James, Westminster, 1780, 1795
A brief confutation of the errors of the Church of Rome, 1781, 1785, 1796
On the relative duties between parents and children, and between masters and servants, 1787, 1790
Against evil-speaker, lying, rash vows, swearing, cursing, and perjury, 1787
A sermon on confirmation, 1788, 1790 ''Of the Lord's supper'', 1788
Catechism of the Church of England, 1789 ''Questions extracted from Archbishop Secker's Lectures on the church catechism: for the use of schools and young persons in private families'', 1790
Instructions given to candidates for orders, after their subscribing the articles, 1791 ''Familiar explanation of the service of confirmation, used by the Church of England, abridged from Archbishop Secker's sermon on confirmation'', 1795
A sermon on confirmation, 1795 See also John Sharp, ''[...] Archbishop Sharp's and Archbishop Secker's sermons against perjury and common swearing, with some alterations'',
Dublin, 1771 ==References==